iwl-dev.h revision 09f18afe766ea3f2c749e3af195bf65fde71b62e
1/****************************************************************************** 2 * 3 * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved. 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms of version 2 of the GNU General Public License as 7 * published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12 * more details. 13 * 14 * You should have received a copy of the GNU General Public License along with 15 * this program; if not, write to the Free Software Foundation, Inc., 16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA 17 * 18 * The full GNU General Public License is included in this distribution in the 19 * file called LICENSE. 20 * 21 * Contact Information: 22 * Intel Linux Wireless <ilw@linux.intel.com> 23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 24 * 25 *****************************************************************************/ 26/* 27 * Please use this file (iwl-dev.h) for driver implementation definitions. 28 * Please use iwl-commands.h for uCode API definitions. 29 */ 30 31#ifndef __iwl_dev_h__ 32#define __iwl_dev_h__ 33 34#include <linux/pci.h> /* for struct pci_device_id */ 35#include <linux/kernel.h> 36#include <linux/wait.h> 37#include <linux/leds.h> 38#include <net/ieee80211_radiotap.h> 39 40#include "iwl-eeprom.h" 41#include "iwl-csr.h" 42#include "iwl-prph.h" 43#include "iwl-fh.h" 44#include "iwl-debug.h" 45#include "iwl-agn-hw.h" 46#include "iwl-led.h" 47#include "iwl-power.h" 48#include "iwl-agn-rs.h" 49#include "iwl-agn-tt.h" 50 51#define U32_PAD(n) ((4-(n))&0x3) 52 53struct iwl_tx_queue; 54 55/* CT-KILL constants */ 56#define CT_KILL_THRESHOLD_LEGACY 110 /* in Celsius */ 57#define CT_KILL_THRESHOLD 114 /* in Celsius */ 58#define CT_KILL_EXIT_THRESHOLD 95 /* in Celsius */ 59 60/* Default noise level to report when noise measurement is not available. 61 * This may be because we're: 62 * 1) Not associated (4965, no beacon statistics being sent to driver) 63 * 2) Scanning (noise measurement does not apply to associated channel) 64 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames) 65 * Use default noise value of -127 ... this is below the range of measurable 66 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user. 67 * Also, -127 works better than 0 when averaging frames with/without 68 * noise info (e.g. averaging might be done in app); measured dBm values are 69 * always negative ... using a negative value as the default keeps all 70 * averages within an s8's (used in some apps) range of negative values. */ 71#define IWL_NOISE_MEAS_NOT_AVAILABLE (-127) 72 73/* 74 * RTS threshold here is total size [2347] minus 4 FCS bytes 75 * Per spec: 76 * a value of 0 means RTS on all data/management packets 77 * a value > max MSDU size means no RTS 78 * else RTS for data/management frames where MPDU is larger 79 * than RTS value. 80 */ 81#define DEFAULT_RTS_THRESHOLD 2347U 82#define MIN_RTS_THRESHOLD 0U 83#define MAX_RTS_THRESHOLD 2347U 84#define MAX_MSDU_SIZE 2304U 85#define MAX_MPDU_SIZE 2346U 86#define DEFAULT_BEACON_INTERVAL 100U 87#define DEFAULT_SHORT_RETRY_LIMIT 7U 88#define DEFAULT_LONG_RETRY_LIMIT 4U 89 90struct iwl_rx_mem_buffer { 91 dma_addr_t page_dma; 92 struct page *page; 93 struct list_head list; 94}; 95 96#define rxb_addr(r) page_address(r->page) 97 98/* defined below */ 99struct iwl_device_cmd; 100 101struct iwl_cmd_meta { 102 /* only for SYNC commands, iff the reply skb is wanted */ 103 struct iwl_host_cmd *source; 104 /* 105 * only for ASYNC commands 106 * (which is somewhat stupid -- look at iwl-sta.c for instance 107 * which duplicates a bunch of code because the callback isn't 108 * invoked for SYNC commands, if it were and its result passed 109 * through it would be simpler...) 110 */ 111 void (*callback)(struct iwl_priv *priv, 112 struct iwl_device_cmd *cmd, 113 struct iwl_rx_packet *pkt); 114 115 /* The CMD_SIZE_HUGE flag bit indicates that the command 116 * structure is stored at the end of the shared queue memory. */ 117 u32 flags; 118 119 DEFINE_DMA_UNMAP_ADDR(mapping); 120 DEFINE_DMA_UNMAP_LEN(len); 121}; 122 123/* 124 * Generic queue structure 125 * 126 * Contains common data for Rx and Tx queues 127 */ 128struct iwl_queue { 129 int n_bd; /* number of BDs in this queue */ 130 int write_ptr; /* 1-st empty entry (index) host_w*/ 131 int read_ptr; /* last used entry (index) host_r*/ 132 /* use for monitoring and recovering the stuck queue */ 133 dma_addr_t dma_addr; /* physical addr for BD's */ 134 int n_window; /* safe queue window */ 135 u32 id; 136 int low_mark; /* low watermark, resume queue if free 137 * space more than this */ 138 int high_mark; /* high watermark, stop queue if free 139 * space less than this */ 140}; 141 142/* One for each TFD */ 143struct iwl_tx_info { 144 struct sk_buff *skb; 145 struct iwl_rxon_context *ctx; 146}; 147 148/** 149 * struct iwl_tx_queue - Tx Queue for DMA 150 * @q: generic Rx/Tx queue descriptor 151 * @bd: base of circular buffer of TFDs 152 * @cmd: array of command/TX buffer pointers 153 * @meta: array of meta data for each command/tx buffer 154 * @dma_addr_cmd: physical address of cmd/tx buffer array 155 * @txb: array of per-TFD driver data 156 * @time_stamp: time (in jiffies) of last read_ptr change 157 * @need_update: indicates need to update read/write index 158 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled 159 * 160 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame 161 * descriptors) and required locking structures. 162 */ 163#define TFD_TX_CMD_SLOTS 256 164#define TFD_CMD_SLOTS 32 165 166struct iwl_tx_queue { 167 struct iwl_queue q; 168 void *tfds; 169 struct iwl_device_cmd **cmd; 170 struct iwl_cmd_meta *meta; 171 struct iwl_tx_info *txb; 172 unsigned long time_stamp; 173 u8 need_update; 174 u8 sched_retry; 175 u8 active; 176 u8 swq_id; 177}; 178 179#define IWL_NUM_SCAN_RATES (2) 180 181/* 182 * One for each channel, holds all channel setup data 183 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant 184 * with one another! 185 */ 186struct iwl_channel_info { 187 struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */ 188 struct iwl_eeprom_channel ht40_eeprom; /* EEPROM regulatory limit for 189 * HT40 channel */ 190 191 u8 channel; /* channel number */ 192 u8 flags; /* flags copied from EEPROM */ 193 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ 194 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */ 195 s8 min_power; /* always 0 */ 196 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */ 197 198 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */ 199 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */ 200 enum ieee80211_band band; 201 202 /* HT40 channel info */ 203 s8 ht40_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ 204 u8 ht40_flags; /* flags copied from EEPROM */ 205 u8 ht40_extension_channel; /* HT_IE_EXT_CHANNEL_* */ 206}; 207 208#define IWL_TX_FIFO_BK 0 /* shared */ 209#define IWL_TX_FIFO_BE 1 210#define IWL_TX_FIFO_VI 2 /* shared */ 211#define IWL_TX_FIFO_VO 3 212#define IWL_TX_FIFO_BK_IPAN IWL_TX_FIFO_BK 213#define IWL_TX_FIFO_BE_IPAN 4 214#define IWL_TX_FIFO_VI_IPAN IWL_TX_FIFO_VI 215#define IWL_TX_FIFO_VO_IPAN 5 216#define IWL_TX_FIFO_UNUSED -1 217 218/* Minimum number of queues. MAX_NUM is defined in hw specific files. 219 * Set the minimum to accommodate the 4 standard TX queues, 1 command 220 * queue, 2 (unused) HCCA queues, and 4 HT queues (one for each AC) */ 221#define IWL_MIN_NUM_QUEUES 10 222 223/* 224 * Command queue depends on iPAN support. 225 */ 226#define IWL_DEFAULT_CMD_QUEUE_NUM 4 227#define IWL_IPAN_CMD_QUEUE_NUM 9 228 229/* 230 * This queue number is required for proper operation 231 * because the ucode will stop/start the scheduler as 232 * required. 233 */ 234#define IWL_IPAN_MCAST_QUEUE 8 235 236#define IEEE80211_DATA_LEN 2304 237#define IEEE80211_4ADDR_LEN 30 238#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) 239#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) 240 241struct iwl_frame { 242 union { 243 struct ieee80211_hdr frame; 244 struct iwl_tx_beacon_cmd beacon; 245 u8 raw[IEEE80211_FRAME_LEN]; 246 u8 cmd[360]; 247 } u; 248 struct list_head list; 249}; 250 251#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) 252#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) 253#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4) 254 255enum { 256 CMD_SYNC = 0, 257 CMD_SIZE_NORMAL = 0, 258 CMD_NO_SKB = 0, 259 CMD_SIZE_HUGE = (1 << 0), 260 CMD_ASYNC = (1 << 1), 261 CMD_WANT_SKB = (1 << 2), 262 CMD_MAPPED = (1 << 3), 263}; 264 265#define DEF_CMD_PAYLOAD_SIZE 320 266 267/** 268 * struct iwl_device_cmd 269 * 270 * For allocation of the command and tx queues, this establishes the overall 271 * size of the largest command we send to uCode, except for a scan command 272 * (which is relatively huge; space is allocated separately). 273 */ 274struct iwl_device_cmd { 275 struct iwl_cmd_header hdr; /* uCode API */ 276 union { 277 u32 flags; 278 u8 val8; 279 u16 val16; 280 u32 val32; 281 struct iwl_tx_cmd tx; 282 struct iwl6000_channel_switch_cmd chswitch; 283 u8 payload[DEF_CMD_PAYLOAD_SIZE]; 284 } __packed cmd; 285} __packed; 286 287#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd)) 288 289 290struct iwl_host_cmd { 291 const void *data; 292 unsigned long reply_page; 293 void (*callback)(struct iwl_priv *priv, 294 struct iwl_device_cmd *cmd, 295 struct iwl_rx_packet *pkt); 296 u32 flags; 297 u16 len; 298 u8 id; 299}; 300 301#define SUP_RATE_11A_MAX_NUM_CHANNELS 8 302#define SUP_RATE_11B_MAX_NUM_CHANNELS 4 303#define SUP_RATE_11G_MAX_NUM_CHANNELS 12 304 305/** 306 * struct iwl_rx_queue - Rx queue 307 * @bd: driver's pointer to buffer of receive buffer descriptors (rbd) 308 * @bd_dma: bus address of buffer of receive buffer descriptors (rbd) 309 * @read: Shared index to newest available Rx buffer 310 * @write: Shared index to oldest written Rx packet 311 * @free_count: Number of pre-allocated buffers in rx_free 312 * @rx_free: list of free SKBs for use 313 * @rx_used: List of Rx buffers with no SKB 314 * @need_update: flag to indicate we need to update read/write index 315 * @rb_stts: driver's pointer to receive buffer status 316 * @rb_stts_dma: bus address of receive buffer status 317 * 318 * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers 319 */ 320struct iwl_rx_queue { 321 __le32 *bd; 322 dma_addr_t bd_dma; 323 struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS]; 324 struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE]; 325 u32 read; 326 u32 write; 327 u32 free_count; 328 u32 write_actual; 329 struct list_head rx_free; 330 struct list_head rx_used; 331 int need_update; 332 struct iwl_rb_status *rb_stts; 333 dma_addr_t rb_stts_dma; 334 spinlock_t lock; 335}; 336 337#define IWL_SUPPORTED_RATES_IE_LEN 8 338 339#define MAX_TID_COUNT 9 340 341#define IWL_INVALID_RATE 0xFF 342#define IWL_INVALID_VALUE -1 343 344/** 345 * struct iwl_ht_agg -- aggregation status while waiting for block-ack 346 * @txq_id: Tx queue used for Tx attempt 347 * @frame_count: # frames attempted by Tx command 348 * @wait_for_ba: Expect block-ack before next Tx reply 349 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window 350 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window 351 * @bitmap1: High order, one bit for each frame pending ACK in Tx window 352 * @rate_n_flags: Rate at which Tx was attempted 353 * 354 * If REPLY_TX indicates that aggregation was attempted, driver must wait 355 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info 356 * until block ack arrives. 357 */ 358struct iwl_ht_agg { 359 u16 txq_id; 360 u16 frame_count; 361 u16 wait_for_ba; 362 u16 start_idx; 363 u64 bitmap; 364 u32 rate_n_flags; 365#define IWL_AGG_OFF 0 366#define IWL_AGG_ON 1 367#define IWL_EMPTYING_HW_QUEUE_ADDBA 2 368#define IWL_EMPTYING_HW_QUEUE_DELBA 3 369 u8 state; 370 u8 tx_fifo; 371}; 372 373 374struct iwl_tid_data { 375 u16 seq_number; /* agn only */ 376 u16 tfds_in_queue; 377 struct iwl_ht_agg agg; 378}; 379 380struct iwl_hw_key { 381 u32 cipher; 382 int keylen; 383 u8 keyidx; 384 u8 key[32]; 385}; 386 387union iwl_ht_rate_supp { 388 u16 rates; 389 struct { 390 u8 siso_rate; 391 u8 mimo_rate; 392 }; 393}; 394 395#define CFG_HT_RX_AMPDU_FACTOR_8K (0x0) 396#define CFG_HT_RX_AMPDU_FACTOR_16K (0x1) 397#define CFG_HT_RX_AMPDU_FACTOR_32K (0x2) 398#define CFG_HT_RX_AMPDU_FACTOR_64K (0x3) 399#define CFG_HT_RX_AMPDU_FACTOR_DEF CFG_HT_RX_AMPDU_FACTOR_64K 400#define CFG_HT_RX_AMPDU_FACTOR_MAX CFG_HT_RX_AMPDU_FACTOR_64K 401#define CFG_HT_RX_AMPDU_FACTOR_MIN CFG_HT_RX_AMPDU_FACTOR_8K 402 403/* 404 * Maximal MPDU density for TX aggregation 405 * 4 - 2us density 406 * 5 - 4us density 407 * 6 - 8us density 408 * 7 - 16us density 409 */ 410#define CFG_HT_MPDU_DENSITY_2USEC (0x4) 411#define CFG_HT_MPDU_DENSITY_4USEC (0x5) 412#define CFG_HT_MPDU_DENSITY_8USEC (0x6) 413#define CFG_HT_MPDU_DENSITY_16USEC (0x7) 414#define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_4USEC 415#define CFG_HT_MPDU_DENSITY_MAX CFG_HT_MPDU_DENSITY_16USEC 416#define CFG_HT_MPDU_DENSITY_MIN (0x1) 417 418struct iwl_ht_config { 419 bool single_chain_sufficient; 420 enum ieee80211_smps_mode smps; /* current smps mode */ 421}; 422 423/* QoS structures */ 424struct iwl_qos_info { 425 int qos_active; 426 struct iwl_qosparam_cmd def_qos_parm; 427}; 428 429/* 430 * Structure should be accessed with sta_lock held. When station addition 431 * is in progress (IWL_STA_UCODE_INPROGRESS) it is possible to access only 432 * the commands (iwl_addsta_cmd and iwl_link_quality_cmd) without sta_lock 433 * held. 434 */ 435struct iwl_station_entry { 436 struct iwl_addsta_cmd sta; 437 struct iwl_tid_data tid[MAX_TID_COUNT]; 438 u8 used, ctxid; 439 struct iwl_hw_key keyinfo; 440 struct iwl_link_quality_cmd *lq; 441}; 442 443struct iwl_station_priv_common { 444 struct iwl_rxon_context *ctx; 445 u8 sta_id; 446}; 447 448/* 449 * iwl_station_priv: Driver's private station information 450 * 451 * When mac80211 creates a station it reserves some space (hw->sta_data_size) 452 * in the structure for use by driver. This structure is places in that 453 * space. 454 */ 455struct iwl_station_priv { 456 struct iwl_station_priv_common common; 457 struct iwl_lq_sta lq_sta; 458 atomic_t pending_frames; 459 bool client; 460 bool asleep; 461 u8 max_agg_bufsize; 462}; 463 464/** 465 * struct iwl_vif_priv - driver's private per-interface information 466 * 467 * When mac80211 allocates a virtual interface, it can allocate 468 * space for us to put data into. 469 */ 470struct iwl_vif_priv { 471 struct iwl_rxon_context *ctx; 472 u8 ibss_bssid_sta_id; 473}; 474 475/* one for each uCode image (inst/data, boot/init/runtime) */ 476struct fw_desc { 477 void *v_addr; /* access by driver */ 478 dma_addr_t p_addr; /* access by card's busmaster DMA */ 479 u32 len; /* bytes */ 480}; 481 482/* v1/v2 uCode file layout */ 483struct iwl_ucode_header { 484 __le32 ver; /* major/minor/API/serial */ 485 union { 486 struct { 487 __le32 inst_size; /* bytes of runtime code */ 488 __le32 data_size; /* bytes of runtime data */ 489 __le32 init_size; /* bytes of init code */ 490 __le32 init_data_size; /* bytes of init data */ 491 __le32 boot_size; /* bytes of bootstrap code */ 492 u8 data[0]; /* in same order as sizes */ 493 } v1; 494 struct { 495 __le32 build; /* build number */ 496 __le32 inst_size; /* bytes of runtime code */ 497 __le32 data_size; /* bytes of runtime data */ 498 __le32 init_size; /* bytes of init code */ 499 __le32 init_data_size; /* bytes of init data */ 500 __le32 boot_size; /* bytes of bootstrap code */ 501 u8 data[0]; /* in same order as sizes */ 502 } v2; 503 } u; 504}; 505 506/* 507 * new TLV uCode file layout 508 * 509 * The new TLV file format contains TLVs, that each specify 510 * some piece of data. To facilitate "groups", for example 511 * different instruction image with different capabilities, 512 * bundled with the same init image, an alternative mechanism 513 * is provided: 514 * When the alternative field is 0, that means that the item 515 * is always valid. When it is non-zero, then it is only 516 * valid in conjunction with items of the same alternative, 517 * in which case the driver (user) selects one alternative 518 * to use. 519 */ 520 521enum iwl_ucode_tlv_type { 522 IWL_UCODE_TLV_INVALID = 0, /* unused */ 523 IWL_UCODE_TLV_INST = 1, 524 IWL_UCODE_TLV_DATA = 2, 525 IWL_UCODE_TLV_INIT = 3, 526 IWL_UCODE_TLV_INIT_DATA = 4, 527 IWL_UCODE_TLV_BOOT = 5, 528 IWL_UCODE_TLV_PROBE_MAX_LEN = 6, /* a u32 value */ 529 IWL_UCODE_TLV_PAN = 7, 530 IWL_UCODE_TLV_RUNT_EVTLOG_PTR = 8, 531 IWL_UCODE_TLV_RUNT_EVTLOG_SIZE = 9, 532 IWL_UCODE_TLV_RUNT_ERRLOG_PTR = 10, 533 IWL_UCODE_TLV_INIT_EVTLOG_PTR = 11, 534 IWL_UCODE_TLV_INIT_EVTLOG_SIZE = 12, 535 IWL_UCODE_TLV_INIT_ERRLOG_PTR = 13, 536 IWL_UCODE_TLV_ENHANCE_SENS_TBL = 14, 537 IWL_UCODE_TLV_PHY_CALIBRATION_SIZE = 15, 538 /* 16 and 17 reserved for future use */ 539 IWL_UCODE_TLV_FLAGS = 18, 540}; 541 542/** 543 * enum iwl_ucode_tlv_flag - ucode API flags 544 * @IWL_UCODE_TLV_FLAGS_PAN: This is PAN capable microcode; this previously 545 * was a separate TLV but moved here to save space. 546 * @IWL_UCODE_TLV_FLAGS_RESERVED_1: reserved 547 * @IWL_UCODE_TLV_FLAGS_MFP: This uCode image supports MFP (802.11w). 548 */ 549enum iwl_ucode_tlv_flag { 550 IWL_UCODE_TLV_FLAGS_PAN = BIT(0), 551 IWL_UCODE_TLV_FLAGS_RESERVED_1 = BIT(1), 552 IWL_UCODE_TLV_FLAGS_MFP = BIT(2), 553}; 554 555struct iwl_ucode_tlv { 556 __le16 type; /* see above */ 557 __le16 alternative; /* see comment */ 558 __le32 length; /* not including type/length fields */ 559 u8 data[0]; 560} __packed; 561 562#define IWL_TLV_UCODE_MAGIC 0x0a4c5749 563 564struct iwl_tlv_ucode_header { 565 /* 566 * The TLV style ucode header is distinguished from 567 * the v1/v2 style header by first four bytes being 568 * zero, as such is an invalid combination of 569 * major/minor/API/serial versions. 570 */ 571 __le32 zero; 572 __le32 magic; 573 u8 human_readable[64]; 574 __le32 ver; /* major/minor/API/serial */ 575 __le32 build; 576 __le64 alternatives; /* bitmask of valid alternatives */ 577 /* 578 * The data contained herein has a TLV layout, 579 * see above for the TLV header and types. 580 * Note that each TLV is padded to a length 581 * that is a multiple of 4 for alignment. 582 */ 583 u8 data[0]; 584}; 585 586struct iwl_sensitivity_ranges { 587 u16 min_nrg_cck; 588 u16 max_nrg_cck; 589 590 u16 nrg_th_cck; 591 u16 nrg_th_ofdm; 592 593 u16 auto_corr_min_ofdm; 594 u16 auto_corr_min_ofdm_mrc; 595 u16 auto_corr_min_ofdm_x1; 596 u16 auto_corr_min_ofdm_mrc_x1; 597 598 u16 auto_corr_max_ofdm; 599 u16 auto_corr_max_ofdm_mrc; 600 u16 auto_corr_max_ofdm_x1; 601 u16 auto_corr_max_ofdm_mrc_x1; 602 603 u16 auto_corr_max_cck; 604 u16 auto_corr_max_cck_mrc; 605 u16 auto_corr_min_cck; 606 u16 auto_corr_min_cck_mrc; 607 608 u16 barker_corr_th_min; 609 u16 barker_corr_th_min_mrc; 610 u16 nrg_th_cca; 611}; 612 613 614#define KELVIN_TO_CELSIUS(x) ((x)-273) 615#define CELSIUS_TO_KELVIN(x) ((x)+273) 616 617 618/** 619 * struct iwl_hw_params 620 * @max_txq_num: Max # Tx queues supported 621 * @dma_chnl_num: Number of Tx DMA/FIFO channels 622 * @scd_bc_tbls_size: size of scheduler byte count tables 623 * @tfd_size: TFD size 624 * @tx/rx_chains_num: Number of TX/RX chains 625 * @valid_tx/rx_ant: usable antennas 626 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2) 627 * @max_rxq_log: Log-base-2 of max_rxq_size 628 * @rx_page_order: Rx buffer page order 629 * @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR 630 * @max_stations: 631 * @ht40_channel: is 40MHz width possible in band 2.4 632 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ) 633 * @sw_crypto: 0 for hw, 1 for sw 634 * @max_xxx_size: for ucode uses 635 * @ct_kill_threshold: temperature threshold 636 * @beacon_time_tsf_bits: number of valid tsf bits for beacon time 637 * @calib_init_cfg: setup initial calibrations for the hw 638 * @calib_rt_cfg: setup runtime calibrations for the hw 639 * @struct iwl_sensitivity_ranges: range of sensitivity values 640 */ 641struct iwl_hw_params { 642 u8 max_txq_num; 643 u8 dma_chnl_num; 644 u16 scd_bc_tbls_size; 645 u32 tfd_size; 646 u8 tx_chains_num; 647 u8 rx_chains_num; 648 u8 valid_tx_ant; 649 u8 valid_rx_ant; 650 u16 max_rxq_size; 651 u16 max_rxq_log; 652 u32 rx_page_order; 653 u32 rx_wrt_ptr_reg; 654 u8 max_stations; 655 u8 ht40_channel; 656 u8 max_beacon_itrvl; /* in 1024 ms */ 657 u32 max_inst_size; 658 u32 max_data_size; 659 u32 ct_kill_threshold; /* value in hw-dependent units */ 660 u32 ct_kill_exit_threshold; /* value in hw-dependent units */ 661 /* for 1000, 6000 series and up */ 662 u16 beacon_time_tsf_bits; 663 u32 calib_init_cfg; 664 u32 calib_rt_cfg; 665 const struct iwl_sensitivity_ranges *sens; 666}; 667 668 669/****************************************************************************** 670 * 671 * Functions implemented in core module which are forward declared here 672 * for use by iwl-[4-5].c 673 * 674 * NOTE: The implementation of these functions are not hardware specific 675 * which is why they are in the core module files. 676 * 677 * Naming convention -- 678 * iwl_ <-- Is part of iwlwifi 679 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX) 680 * 681 ****************************************************************************/ 682extern void iwl_update_chain_flags(struct iwl_priv *priv); 683extern const u8 iwl_bcast_addr[ETH_ALEN]; 684extern int iwl_rxq_stop(struct iwl_priv *priv); 685extern void iwl_txq_ctx_stop(struct iwl_priv *priv); 686extern int iwl_queue_space(const struct iwl_queue *q); 687static inline int iwl_queue_used(const struct iwl_queue *q, int i) 688{ 689 return q->write_ptr >= q->read_ptr ? 690 (i >= q->read_ptr && i < q->write_ptr) : 691 !(i < q->read_ptr && i >= q->write_ptr); 692} 693 694 695static inline u8 get_cmd_index(struct iwl_queue *q, u32 index, int is_huge) 696{ 697 /* 698 * This is for init calibration result and scan command which 699 * required buffer > TFD_MAX_PAYLOAD_SIZE, 700 * the big buffer at end of command array 701 */ 702 if (is_huge) 703 return q->n_window; /* must be power of 2 */ 704 705 /* Otherwise, use normal size buffers */ 706 return index & (q->n_window - 1); 707} 708 709 710struct iwl_dma_ptr { 711 dma_addr_t dma; 712 void *addr; 713 size_t size; 714}; 715 716#define IWL_OPERATION_MODE_AUTO 0 717#define IWL_OPERATION_MODE_HT_ONLY 1 718#define IWL_OPERATION_MODE_MIXED 2 719#define IWL_OPERATION_MODE_20MHZ 3 720 721#define IWL_TX_CRC_SIZE 4 722#define IWL_TX_DELIMITER_SIZE 4 723 724#define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000 725 726/* Sensitivity and chain noise calibration */ 727#define INITIALIZATION_VALUE 0xFFFF 728#define IWL_CAL_NUM_BEACONS 16 729#define MAXIMUM_ALLOWED_PATHLOSS 15 730 731#define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3 732 733#define MAX_FA_OFDM 50 734#define MIN_FA_OFDM 5 735#define MAX_FA_CCK 50 736#define MIN_FA_CCK 5 737 738#define AUTO_CORR_STEP_OFDM 1 739 740#define AUTO_CORR_STEP_CCK 3 741#define AUTO_CORR_MAX_TH_CCK 160 742 743#define NRG_DIFF 2 744#define NRG_STEP_CCK 2 745#define NRG_MARGIN 8 746#define MAX_NUMBER_CCK_NO_FA 100 747 748#define AUTO_CORR_CCK_MIN_VAL_DEF (125) 749 750#define CHAIN_A 0 751#define CHAIN_B 1 752#define CHAIN_C 2 753#define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4 754#define ALL_BAND_FILTER 0xFF00 755#define IN_BAND_FILTER 0xFF 756#define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF 757 758#define NRG_NUM_PREV_STAT_L 20 759#define NUM_RX_CHAINS 3 760 761enum iwlagn_false_alarm_state { 762 IWL_FA_TOO_MANY = 0, 763 IWL_FA_TOO_FEW = 1, 764 IWL_FA_GOOD_RANGE = 2, 765}; 766 767enum iwlagn_chain_noise_state { 768 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */ 769 IWL_CHAIN_NOISE_ACCUMULATE, 770 IWL_CHAIN_NOISE_CALIBRATED, 771 IWL_CHAIN_NOISE_DONE, 772}; 773 774 775/* 776 * enum iwl_calib 777 * defines the order in which results of initial calibrations 778 * should be sent to the runtime uCode 779 */ 780enum iwl_calib { 781 IWL_CALIB_XTAL, 782 IWL_CALIB_DC, 783 IWL_CALIB_LO, 784 IWL_CALIB_TX_IQ, 785 IWL_CALIB_TX_IQ_PERD, 786 IWL_CALIB_BASE_BAND, 787 IWL_CALIB_TEMP_OFFSET, 788 IWL_CALIB_MAX 789}; 790 791/* Opaque calibration results */ 792struct iwl_calib_result { 793 void *buf; 794 size_t buf_len; 795}; 796 797enum ucode_type { 798 UCODE_NONE = 0, 799 UCODE_INIT, 800 UCODE_RT 801}; 802 803/* Sensitivity calib data */ 804struct iwl_sensitivity_data { 805 u32 auto_corr_ofdm; 806 u32 auto_corr_ofdm_mrc; 807 u32 auto_corr_ofdm_x1; 808 u32 auto_corr_ofdm_mrc_x1; 809 u32 auto_corr_cck; 810 u32 auto_corr_cck_mrc; 811 812 u32 last_bad_plcp_cnt_ofdm; 813 u32 last_fa_cnt_ofdm; 814 u32 last_bad_plcp_cnt_cck; 815 u32 last_fa_cnt_cck; 816 817 u32 nrg_curr_state; 818 u32 nrg_prev_state; 819 u32 nrg_value[10]; 820 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L]; 821 u32 nrg_silence_ref; 822 u32 nrg_energy_idx; 823 u32 nrg_silence_idx; 824 u32 nrg_th_cck; 825 s32 nrg_auto_corr_silence_diff; 826 u32 num_in_cck_no_fa; 827 u32 nrg_th_ofdm; 828 829 u16 barker_corr_th_min; 830 u16 barker_corr_th_min_mrc; 831 u16 nrg_th_cca; 832}; 833 834/* Chain noise (differential Rx gain) calib data */ 835struct iwl_chain_noise_data { 836 u32 active_chains; 837 u32 chain_noise_a; 838 u32 chain_noise_b; 839 u32 chain_noise_c; 840 u32 chain_signal_a; 841 u32 chain_signal_b; 842 u32 chain_signal_c; 843 u16 beacon_count; 844 u8 disconn_array[NUM_RX_CHAINS]; 845 u8 delta_gain_code[NUM_RX_CHAINS]; 846 u8 radio_write; 847 u8 state; 848}; 849 850#define EEPROM_SEM_TIMEOUT 10 /* milliseconds */ 851#define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */ 852 853#define IWL_TRAFFIC_ENTRIES (256) 854#define IWL_TRAFFIC_ENTRY_SIZE (64) 855 856enum { 857 MEASUREMENT_READY = (1 << 0), 858 MEASUREMENT_ACTIVE = (1 << 1), 859}; 860 861enum iwl_nvm_type { 862 NVM_DEVICE_TYPE_EEPROM = 0, 863 NVM_DEVICE_TYPE_OTP, 864}; 865 866/* 867 * Two types of OTP memory access modes 868 * IWL_OTP_ACCESS_ABSOLUTE - absolute address mode, 869 * based on physical memory addressing 870 * IWL_OTP_ACCESS_RELATIVE - relative address mode, 871 * based on logical memory addressing 872 */ 873enum iwl_access_mode { 874 IWL_OTP_ACCESS_ABSOLUTE, 875 IWL_OTP_ACCESS_RELATIVE, 876}; 877 878/** 879 * enum iwl_pa_type - Power Amplifier type 880 * @IWL_PA_SYSTEM: based on uCode configuration 881 * @IWL_PA_INTERNAL: use Internal only 882 */ 883enum iwl_pa_type { 884 IWL_PA_SYSTEM = 0, 885 IWL_PA_INTERNAL = 1, 886}; 887 888/* interrupt statistics */ 889struct isr_statistics { 890 u32 hw; 891 u32 sw; 892 u32 err_code; 893 u32 sch; 894 u32 alive; 895 u32 rfkill; 896 u32 ctkill; 897 u32 wakeup; 898 u32 rx; 899 u32 rx_handlers[REPLY_MAX]; 900 u32 tx; 901 u32 unhandled; 902}; 903 904/* reply_tx_statistics (for _agn devices) */ 905struct reply_tx_error_statistics { 906 u32 pp_delay; 907 u32 pp_few_bytes; 908 u32 pp_bt_prio; 909 u32 pp_quiet_period; 910 u32 pp_calc_ttak; 911 u32 int_crossed_retry; 912 u32 short_limit; 913 u32 long_limit; 914 u32 fifo_underrun; 915 u32 drain_flow; 916 u32 rfkill_flush; 917 u32 life_expire; 918 u32 dest_ps; 919 u32 host_abort; 920 u32 bt_retry; 921 u32 sta_invalid; 922 u32 frag_drop; 923 u32 tid_disable; 924 u32 fifo_flush; 925 u32 insuff_cf_poll; 926 u32 fail_hw_drop; 927 u32 sta_color_mismatch; 928 u32 unknown; 929}; 930 931/* reply_agg_tx_statistics (for _agn devices) */ 932struct reply_agg_tx_error_statistics { 933 u32 underrun; 934 u32 bt_prio; 935 u32 few_bytes; 936 u32 abort; 937 u32 last_sent_ttl; 938 u32 last_sent_try; 939 u32 last_sent_bt_kill; 940 u32 scd_query; 941 u32 bad_crc32; 942 u32 response; 943 u32 dump_tx; 944 u32 delay_tx; 945 u32 unknown; 946}; 947 948/* management statistics */ 949enum iwl_mgmt_stats { 950 MANAGEMENT_ASSOC_REQ = 0, 951 MANAGEMENT_ASSOC_RESP, 952 MANAGEMENT_REASSOC_REQ, 953 MANAGEMENT_REASSOC_RESP, 954 MANAGEMENT_PROBE_REQ, 955 MANAGEMENT_PROBE_RESP, 956 MANAGEMENT_BEACON, 957 MANAGEMENT_ATIM, 958 MANAGEMENT_DISASSOC, 959 MANAGEMENT_AUTH, 960 MANAGEMENT_DEAUTH, 961 MANAGEMENT_ACTION, 962 MANAGEMENT_MAX, 963}; 964/* control statistics */ 965enum iwl_ctrl_stats { 966 CONTROL_BACK_REQ = 0, 967 CONTROL_BACK, 968 CONTROL_PSPOLL, 969 CONTROL_RTS, 970 CONTROL_CTS, 971 CONTROL_ACK, 972 CONTROL_CFEND, 973 CONTROL_CFENDACK, 974 CONTROL_MAX, 975}; 976 977struct traffic_stats { 978#ifdef CONFIG_IWLWIFI_DEBUGFS 979 u32 mgmt[MANAGEMENT_MAX]; 980 u32 ctrl[CONTROL_MAX]; 981 u32 data_cnt; 982 u64 data_bytes; 983#endif 984}; 985 986/* 987 * iwl_switch_rxon: "channel switch" structure 988 * 989 * @ switch_in_progress: channel switch in progress 990 * @ channel: new channel 991 */ 992struct iwl_switch_rxon { 993 bool switch_in_progress; 994 __le16 channel; 995}; 996 997/* 998 * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds 999 * to perform continuous uCode event logging operation if enabled 1000 */ 1001#define UCODE_TRACE_PERIOD (100) 1002 1003/* 1004 * iwl_event_log: current uCode event log position 1005 * 1006 * @ucode_trace: enable/disable ucode continuous trace timer 1007 * @num_wraps: how many times the event buffer wraps 1008 * @next_entry: the entry just before the next one that uCode would fill 1009 * @non_wraps_count: counter for no wrap detected when dump ucode events 1010 * @wraps_once_count: counter for wrap once detected when dump ucode events 1011 * @wraps_more_count: counter for wrap more than once detected 1012 * when dump ucode events 1013 */ 1014struct iwl_event_log { 1015 bool ucode_trace; 1016 u32 num_wraps; 1017 u32 next_entry; 1018 int non_wraps_count; 1019 int wraps_once_count; 1020 int wraps_more_count; 1021}; 1022 1023/* 1024 * host interrupt timeout value 1025 * used with setting interrupt coalescing timer 1026 * the CSR_INT_COALESCING is an 8 bit register in 32-usec unit 1027 * 1028 * default interrupt coalescing timer is 64 x 32 = 2048 usecs 1029 * default interrupt coalescing calibration timer is 16 x 32 = 512 usecs 1030 */ 1031#define IWL_HOST_INT_TIMEOUT_MAX (0xFF) 1032#define IWL_HOST_INT_TIMEOUT_DEF (0x40) 1033#define IWL_HOST_INT_TIMEOUT_MIN (0x0) 1034#define IWL_HOST_INT_CALIB_TIMEOUT_MAX (0xFF) 1035#define IWL_HOST_INT_CALIB_TIMEOUT_DEF (0x10) 1036#define IWL_HOST_INT_CALIB_TIMEOUT_MIN (0x0) 1037 1038/* 1039 * This is the threshold value of plcp error rate per 100mSecs. It is 1040 * used to set and check for the validity of plcp_delta. 1041 */ 1042#define IWL_MAX_PLCP_ERR_THRESHOLD_MIN (1) 1043#define IWL_MAX_PLCP_ERR_THRESHOLD_DEF (50) 1044#define IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF (100) 1045#define IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF (200) 1046#define IWL_MAX_PLCP_ERR_THRESHOLD_MAX (255) 1047#define IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE (0) 1048 1049#define IWL_DELAY_NEXT_FORCE_RF_RESET (HZ*3) 1050#define IWL_DELAY_NEXT_FORCE_FW_RELOAD (HZ*5) 1051 1052/* TX queue watchdog timeouts in mSecs */ 1053#define IWL_DEF_WD_TIMEOUT (2000) 1054#define IWL_LONG_WD_TIMEOUT (10000) 1055#define IWL_MAX_WD_TIMEOUT (120000) 1056 1057/* BT Antenna Coupling Threshold (dB) */ 1058#define IWL_BT_ANTENNA_COUPLING_THRESHOLD (35) 1059 1060/* Firmware reload counter and Timestamp */ 1061#define IWL_MIN_RELOAD_DURATION 1000 /* 1000 ms */ 1062#define IWL_MAX_CONTINUE_RELOAD_CNT 4 1063 1064 1065enum iwl_reset { 1066 IWL_RF_RESET = 0, 1067 IWL_FW_RESET, 1068 IWL_MAX_FORCE_RESET, 1069}; 1070 1071struct iwl_force_reset { 1072 int reset_request_count; 1073 int reset_success_count; 1074 int reset_reject_count; 1075 unsigned long reset_duration; 1076 unsigned long last_force_reset_jiffies; 1077}; 1078 1079/* extend beacon time format bit shifting */ 1080/* 1081 * for _agn devices 1082 * bits 31:22 - extended 1083 * bits 21:0 - interval 1084 */ 1085#define IWLAGN_EXT_BEACON_TIME_POS 22 1086 1087/** 1088 * struct iwl_notification_wait - notification wait entry 1089 * @list: list head for global list 1090 * @fn: function called with the notification 1091 * @cmd: command ID 1092 * 1093 * This structure is not used directly, to wait for a 1094 * notification declare it on the stack, and call 1095 * iwlagn_init_notification_wait() with appropriate 1096 * parameters. Then do whatever will cause the ucode 1097 * to notify the driver, and to wait for that then 1098 * call iwlagn_wait_notification(). 1099 * 1100 * Each notification is one-shot. If at some point we 1101 * need to support multi-shot notifications (which 1102 * can't be allocated on the stack) we need to modify 1103 * the code for them. 1104 */ 1105struct iwl_notification_wait { 1106 struct list_head list; 1107 1108 void (*fn)(struct iwl_priv *priv, struct iwl_rx_packet *pkt, 1109 void *data); 1110 void *fn_data; 1111 1112 u8 cmd; 1113 bool triggered; 1114}; 1115 1116enum iwl_rxon_context_id { 1117 IWL_RXON_CTX_BSS, 1118 IWL_RXON_CTX_PAN, 1119 1120 NUM_IWL_RXON_CTX 1121}; 1122 1123struct iwl_rxon_context { 1124 struct ieee80211_vif *vif; 1125 1126 const u8 *ac_to_fifo; 1127 const u8 *ac_to_queue; 1128 u8 mcast_queue; 1129 1130 /* 1131 * We could use the vif to indicate active, but we 1132 * also need it to be active during disabling when 1133 * we already removed the vif for type setting. 1134 */ 1135 bool always_active, is_active; 1136 1137 bool ht_need_multiple_chains; 1138 1139 enum iwl_rxon_context_id ctxid; 1140 1141 u32 interface_modes, exclusive_interface_modes; 1142 u8 unused_devtype, ap_devtype, ibss_devtype, station_devtype; 1143 1144 /* 1145 * We declare this const so it can only be 1146 * changed via explicit cast within the 1147 * routines that actually update the physical 1148 * hardware. 1149 */ 1150 const struct iwl_rxon_cmd active; 1151 struct iwl_rxon_cmd staging; 1152 1153 struct iwl_rxon_time_cmd timing; 1154 1155 struct iwl_qos_info qos_data; 1156 1157 u8 bcast_sta_id, ap_sta_id; 1158 1159 u8 rxon_cmd, rxon_assoc_cmd, rxon_timing_cmd; 1160 u8 qos_cmd; 1161 u8 wep_key_cmd; 1162 1163 struct iwl_wep_key wep_keys[WEP_KEYS_MAX]; 1164 u8 key_mapping_keys; 1165 1166 __le32 station_flags; 1167 1168 struct { 1169 bool non_gf_sta_present; 1170 u8 protection; 1171 bool enabled, is_40mhz; 1172 u8 extension_chan_offset; 1173 } ht; 1174 1175 bool last_tx_rejected; 1176}; 1177 1178enum iwl_scan_type { 1179 IWL_SCAN_NORMAL, 1180 IWL_SCAN_RADIO_RESET, 1181 IWL_SCAN_OFFCH_TX, 1182}; 1183 1184struct iwl_priv { 1185 1186 /* ieee device used by generic ieee processing code */ 1187 struct ieee80211_hw *hw; 1188 struct ieee80211_channel *ieee_channels; 1189 struct ieee80211_rate *ieee_rates; 1190 struct iwl_cfg *cfg; 1191 1192 /* temporary frame storage list */ 1193 struct list_head free_frames; 1194 int frames_count; 1195 1196 enum ieee80211_band band; 1197 1198 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv, 1199 struct iwl_rx_mem_buffer *rxb); 1200 1201 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS]; 1202 1203 /* spectrum measurement report caching */ 1204 struct iwl_spectrum_notification measure_report; 1205 u8 measurement_status; 1206 1207 /* ucode beacon time */ 1208 u32 ucode_beacon_time; 1209 int missed_beacon_threshold; 1210 1211 /* track IBSS manager (last beacon) status */ 1212 u32 ibss_manager; 1213 1214 /* jiffies when last recovery from statistics was performed */ 1215 unsigned long rx_statistics_jiffies; 1216 1217 /* force reset */ 1218 struct iwl_force_reset force_reset[IWL_MAX_FORCE_RESET]; 1219 1220 /* firmware reload counter and timestamp */ 1221 unsigned long reload_jiffies; 1222 int reload_count; 1223 1224 /* we allocate array of iwl_channel_info for NIC's valid channels. 1225 * Access via channel # using indirect index array */ 1226 struct iwl_channel_info *channel_info; /* channel info array */ 1227 u8 channel_count; /* # of channels */ 1228 1229 /* thermal calibration */ 1230 s32 temperature; /* degrees Kelvin */ 1231 s32 last_temperature; 1232 1233 /* init calibration results */ 1234 struct iwl_calib_result calib_results[IWL_CALIB_MAX]; 1235 1236 /* Scan related variables */ 1237 unsigned long scan_start; 1238 unsigned long scan_start_tsf; 1239 void *scan_cmd; 1240 enum ieee80211_band scan_band; 1241 struct cfg80211_scan_request *scan_request; 1242 struct ieee80211_vif *scan_vif; 1243 enum iwl_scan_type scan_type; 1244 u8 scan_tx_ant[IEEE80211_NUM_BANDS]; 1245 u8 mgmt_tx_ant; 1246 1247 /* spinlock */ 1248 spinlock_t lock; /* protect general shared data */ 1249 spinlock_t hcmd_lock; /* protect hcmd */ 1250 spinlock_t reg_lock; /* protect hw register access */ 1251 struct mutex mutex; 1252 1253 /* basic pci-network driver stuff */ 1254 struct pci_dev *pci_dev; 1255 1256 /* pci hardware address support */ 1257 void __iomem *hw_base; 1258 1259 /* microcode/device supports multiple contexts */ 1260 u8 valid_contexts; 1261 1262 /* command queue number */ 1263 u8 cmd_queue; 1264 1265 /* max number of station keys */ 1266 u8 sta_key_max_num; 1267 1268 /* EEPROM MAC addresses */ 1269 struct mac_address addresses[2]; 1270 1271 /* uCode images, save to reload in case of failure */ 1272 int fw_index; /* firmware we're trying to load */ 1273 u32 ucode_ver; /* version of ucode, copy of 1274 iwl_ucode.ver */ 1275 struct fw_desc ucode_code; /* runtime inst */ 1276 struct fw_desc ucode_data; /* runtime data original */ 1277 struct fw_desc ucode_init; /* initialization inst */ 1278 struct fw_desc ucode_init_data; /* initialization data */ 1279 enum ucode_type ucode_type; 1280 u8 ucode_write_complete; /* the image write is complete */ 1281 char firmware_name[25]; 1282 1283 struct iwl_rxon_context contexts[NUM_IWL_RXON_CTX]; 1284 1285 struct iwl_switch_rxon switch_rxon; 1286 1287 struct { 1288 u32 error_event_table; 1289 u32 log_event_table; 1290 } device_pointers; 1291 1292 u16 active_rate; 1293 1294 u8 start_calib; 1295 struct iwl_sensitivity_data sensitivity_data; 1296 struct iwl_chain_noise_data chain_noise_data; 1297 bool enhance_sensitivity_table; 1298 __le16 sensitivity_tbl[HD_TABLE_SIZE]; 1299 __le16 enhance_sensitivity_tbl[ENHANCE_HD_TABLE_ENTRIES]; 1300 1301 struct iwl_ht_config current_ht_config; 1302 1303 /* Rate scaling data */ 1304 u8 retry_rate; 1305 1306 wait_queue_head_t wait_command_queue; 1307 1308 int activity_timer_active; 1309 1310 /* Rx and Tx DMA processing queues */ 1311 struct iwl_rx_queue rxq; 1312 struct iwl_tx_queue *txq; 1313 unsigned long txq_ctx_active_msk; 1314 struct iwl_dma_ptr kw; /* keep warm address */ 1315 struct iwl_dma_ptr scd_bc_tbls; 1316 1317 u32 scd_base_addr; /* scheduler sram base address */ 1318 1319 unsigned long status; 1320 1321 /* counts mgmt, ctl, and data packets */ 1322 struct traffic_stats tx_stats; 1323 struct traffic_stats rx_stats; 1324 1325 /* counts interrupts */ 1326 struct isr_statistics isr_stats; 1327 1328 struct iwl_power_mgr power_data; 1329 struct iwl_tt_mgmt thermal_throttle; 1330 1331 /* station table variables */ 1332 1333 /* Note: if lock and sta_lock are needed, lock must be acquired first */ 1334 spinlock_t sta_lock; 1335 int num_stations; 1336 struct iwl_station_entry stations[IWLAGN_STATION_COUNT]; 1337 unsigned long ucode_key_table; 1338 1339 /* queue refcounts */ 1340#define IWL_MAX_HW_QUEUES 32 1341 unsigned long queue_stopped[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)]; 1342 /* for each AC */ 1343 atomic_t queue_stop_count[4]; 1344 1345 /* Indication if ieee80211_ops->open has been called */ 1346 u8 is_open; 1347 1348 u8 mac80211_registered; 1349 1350 /* eeprom -- this is in the card's little endian byte order */ 1351 u8 *eeprom; 1352 int nvm_device_type; 1353 struct iwl_eeprom_calib_info *calib_info; 1354 1355 enum nl80211_iftype iw_mode; 1356 1357 /* Last Rx'd beacon timestamp */ 1358 u64 timestamp; 1359 1360 struct { 1361 __le32 flag; 1362 struct statistics_general_common common; 1363 struct statistics_rx_non_phy rx_non_phy; 1364 struct statistics_rx_phy rx_ofdm; 1365 struct statistics_rx_ht_phy rx_ofdm_ht; 1366 struct statistics_rx_phy rx_cck; 1367 struct statistics_tx tx; 1368#ifdef CONFIG_IWLWIFI_DEBUGFS 1369 struct statistics_bt_activity bt_activity; 1370 __le32 num_bt_kills, accum_num_bt_kills; 1371#endif 1372 } statistics; 1373#ifdef CONFIG_IWLWIFI_DEBUGFS 1374 struct { 1375 struct statistics_general_common common; 1376 struct statistics_rx_non_phy rx_non_phy; 1377 struct statistics_rx_phy rx_ofdm; 1378 struct statistics_rx_ht_phy rx_ofdm_ht; 1379 struct statistics_rx_phy rx_cck; 1380 struct statistics_tx tx; 1381 struct statistics_bt_activity bt_activity; 1382 } accum_stats, delta_stats, max_delta_stats; 1383#endif 1384 1385 struct { 1386 /* INT ICT Table */ 1387 __le32 *ict_tbl; 1388 void *ict_tbl_vir; 1389 dma_addr_t ict_tbl_dma; 1390 dma_addr_t aligned_ict_tbl_dma; 1391 int ict_index; 1392 u32 inta; 1393 bool use_ict; 1394 /* 1395 * reporting the number of tids has AGG on. 0 means 1396 * no AGGREGATION 1397 */ 1398 u8 agg_tids_count; 1399 1400 struct iwl_rx_phy_res last_phy_res; 1401 bool last_phy_res_valid; 1402 1403 struct completion firmware_loading_complete; 1404 1405 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; 1406 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; 1407 1408 /* 1409 * chain noise reset and gain commands are the 1410 * two extra calibration commands follows the standard 1411 * phy calibration commands 1412 */ 1413 u8 phy_calib_chain_noise_reset_cmd; 1414 u8 phy_calib_chain_noise_gain_cmd; 1415 1416 /* counts reply_tx error */ 1417 struct reply_tx_error_statistics reply_tx_stats; 1418 struct reply_agg_tx_error_statistics reply_agg_tx_stats; 1419 /* notification wait support */ 1420 struct list_head notif_waits; 1421 spinlock_t notif_wait_lock; 1422 wait_queue_head_t notif_waitq; 1423 1424 /* remain-on-channel offload support */ 1425 struct ieee80211_channel *hw_roc_channel; 1426 struct delayed_work hw_roc_work; 1427 enum nl80211_channel_type hw_roc_chantype; 1428 int hw_roc_duration; 1429 bool hw_roc_setup; 1430 1431 struct sk_buff *offchan_tx_skb; 1432 int offchan_tx_timeout; 1433 struct ieee80211_channel *offchan_tx_chan; 1434 } _agn; 1435 1436 /* bt coex */ 1437 u8 bt_enable_flag; 1438 u8 bt_status; 1439 u8 bt_traffic_load, last_bt_traffic_load; 1440 bool bt_ch_announce; 1441 bool bt_full_concurrent; 1442 bool bt_ant_couple_ok; 1443 __le32 kill_ack_mask; 1444 __le32 kill_cts_mask; 1445 __le16 bt_valid; 1446 u16 bt_on_thresh; 1447 u16 bt_duration; 1448 u16 dynamic_frag_thresh; 1449 u8 bt_ci_compliance; 1450 struct work_struct bt_traffic_change_work; 1451 1452 struct iwl_hw_params hw_params; 1453 1454 u32 inta_mask; 1455 1456 struct workqueue_struct *workqueue; 1457 1458 struct work_struct restart; 1459 struct work_struct scan_completed; 1460 struct work_struct rx_replenish; 1461 struct work_struct abort_scan; 1462 1463 struct work_struct beacon_update; 1464 struct iwl_rxon_context *beacon_ctx; 1465 struct sk_buff *beacon_skb; 1466 1467 struct work_struct tt_work; 1468 struct work_struct ct_enter; 1469 struct work_struct ct_exit; 1470 struct work_struct start_internal_scan; 1471 struct work_struct tx_flush; 1472 struct work_struct bt_full_concurrency; 1473 struct work_struct bt_runtime_config; 1474 1475 struct tasklet_struct irq_tasklet; 1476 1477 struct delayed_work init_alive_start; 1478 struct delayed_work alive_start; 1479 struct delayed_work scan_check; 1480 1481 /* TX Power */ 1482 s8 tx_power_user_lmt; 1483 s8 tx_power_device_lmt; 1484 s8 tx_power_lmt_in_half_dbm; /* max tx power in half-dBm format */ 1485 s8 tx_power_next; 1486 1487 1488#ifdef CONFIG_IWLWIFI_DEBUG 1489 /* debugging info */ 1490 u32 debug_level; /* per device debugging will override global 1491 iwl_debug_level if set */ 1492#endif /* CONFIG_IWLWIFI_DEBUG */ 1493#ifdef CONFIG_IWLWIFI_DEBUGFS 1494 /* debugfs */ 1495 u16 tx_traffic_idx; 1496 u16 rx_traffic_idx; 1497 u8 *tx_traffic; 1498 u8 *rx_traffic; 1499 struct dentry *debugfs_dir; 1500 u32 dbgfs_sram_offset, dbgfs_sram_len; 1501 bool disable_ht40; 1502#endif /* CONFIG_IWLWIFI_DEBUGFS */ 1503 1504 struct work_struct txpower_work; 1505 u32 disable_sens_cal; 1506 u32 disable_chain_noise_cal; 1507 struct work_struct run_time_calib_work; 1508 struct timer_list statistics_periodic; 1509 struct timer_list ucode_trace; 1510 struct timer_list watchdog; 1511 bool hw_ready; 1512 1513 struct iwl_event_log event_log; 1514 1515 struct led_classdev led; 1516 unsigned long blink_on, blink_off; 1517 bool led_registered; 1518}; /*iwl_priv */ 1519 1520static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id) 1521{ 1522 set_bit(txq_id, &priv->txq_ctx_active_msk); 1523} 1524 1525static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id) 1526{ 1527 clear_bit(txq_id, &priv->txq_ctx_active_msk); 1528} 1529 1530#ifdef CONFIG_IWLWIFI_DEBUG 1531/* 1532 * iwl_get_debug_level: Return active debug level for device 1533 * 1534 * Using sysfs it is possible to set per device debug level. This debug 1535 * level will be used if set, otherwise the global debug level which can be 1536 * set via module parameter is used. 1537 */ 1538static inline u32 iwl_get_debug_level(struct iwl_priv *priv) 1539{ 1540 if (priv->debug_level) 1541 return priv->debug_level; 1542 else 1543 return iwl_debug_level; 1544} 1545#else 1546static inline u32 iwl_get_debug_level(struct iwl_priv *priv) 1547{ 1548 return iwl_debug_level; 1549} 1550#endif 1551 1552 1553static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv, 1554 int txq_id, int idx) 1555{ 1556 if (priv->txq[txq_id].txb[idx].skb) 1557 return (struct ieee80211_hdr *)priv->txq[txq_id]. 1558 txb[idx].skb->data; 1559 return NULL; 1560} 1561 1562static inline struct iwl_rxon_context * 1563iwl_rxon_ctx_from_vif(struct ieee80211_vif *vif) 1564{ 1565 struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; 1566 1567 return vif_priv->ctx; 1568} 1569 1570#define for_each_context(priv, ctx) \ 1571 for (ctx = &priv->contexts[IWL_RXON_CTX_BSS]; \ 1572 ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++) \ 1573 if (priv->valid_contexts & BIT(ctx->ctxid)) 1574 1575static inline int iwl_is_associated(struct iwl_priv *priv, 1576 enum iwl_rxon_context_id ctxid) 1577{ 1578 return (priv->contexts[ctxid].active.filter_flags & 1579 RXON_FILTER_ASSOC_MSK) ? 1 : 0; 1580} 1581 1582static inline int iwl_is_any_associated(struct iwl_priv *priv) 1583{ 1584 return iwl_is_associated(priv, IWL_RXON_CTX_BSS); 1585} 1586 1587static inline int iwl_is_associated_ctx(struct iwl_rxon_context *ctx) 1588{ 1589 return (ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0; 1590} 1591 1592static inline int is_channel_valid(const struct iwl_channel_info *ch_info) 1593{ 1594 if (ch_info == NULL) 1595 return 0; 1596 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0; 1597} 1598 1599static inline int is_channel_radar(const struct iwl_channel_info *ch_info) 1600{ 1601 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0; 1602} 1603 1604static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info) 1605{ 1606 return ch_info->band == IEEE80211_BAND_5GHZ; 1607} 1608 1609static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info) 1610{ 1611 return ch_info->band == IEEE80211_BAND_2GHZ; 1612} 1613 1614static inline int is_channel_passive(const struct iwl_channel_info *ch) 1615{ 1616 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0; 1617} 1618 1619static inline int is_channel_ibss(const struct iwl_channel_info *ch) 1620{ 1621 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0; 1622} 1623 1624static inline void __iwl_free_pages(struct iwl_priv *priv, struct page *page) 1625{ 1626 __free_pages(page, priv->hw_params.rx_page_order); 1627} 1628 1629static inline void iwl_free_pages(struct iwl_priv *priv, unsigned long page) 1630{ 1631 free_pages(page, priv->hw_params.rx_page_order); 1632} 1633#endif /* __iwl_dev_h__ */ 1634